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Article
Study on the Relationship between Fractal Characteristics and Mechanical Properties of Tensile Fracture of Reinforced Concrete Structures
In the present study, experiments are carried out to investigate the behavior of the tensile crack of the reinforced concrete structure. Moreover, the fracture morphology and mechanical properties of the tensi...
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Article
Experimental Study on Bond Performances of Track Slab and Mortar Based on DIC Technology
In order to guarantee the normal long-time service performance of CRST II slab track, it is necessary to study the interface parameters between track slab and CA mortar layer of CRTS II slab track. Thus the sp...
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Article
Trigonella foenum-graecum L. Seed Oil Obtained by Supercritical CO2 Extraction
Supercritical CO2 extraction (SC-CO2) of fenugreek (Trigonella foenum-graecum L.) seed oil and its chemical composition and antioxidant activity were investigated. A central composite design combined with respons...
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Article
LC-DAD-ESI-MS Characterization of Carbohydrates Using a New Labeling Reagent
A novel labeling reagent 1-(2-naphthyl)-3-methyl-5-pyrazolone (NMP) coupling to liquid chromatography with electrospray ionization mass spectrometry for the detection of carbohydrates from the derivatized rape...
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Article
CE Determination of 2-(9-Carbazole)ethyl Chloroformate-Labeled Oligopeptides
A pre-column derivatization method for sensitive determination of oligopeptides, using the tagging reagent 2-(9-carbazole)ethyl chloroformate (CEOC-Cl) followed by capillary electrophoresis (CE) with diode-arr...
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Article
Mass Spectrometric Identification of Multihydroxy Phenolic Compounds in Tibetan Herbal Medicines
A highly selective and accurate method based on derivatization with dansyl chloride coupled with liquid chromatography–mass spectrometry has been developed for identification of natural pharmacologically activ...